I'm helping out someone withi his Photoshop problem. He uses Photoshop CS4 standard on a Windows XP64 edition and has a GeForce9600 GT card (series9). The GPU setting in the preferences is not available, even though this card is on the official list of tested videocards on the Adobe website.

We've tried:

- updating to the latest drivers

- resetting the preferences

- reinstalling photoshop

We are certain we have the latest drivers but nothing seems to be working. Help is highly appreciated !

In any case, I don't know whether GPU operations were supported in XP x64 with the older versions of Photoshop (CS4, CS5), so I wouldn't have been able to say much. I used to use XP x64 myself, but I was on Vista well before moving up to Photoshop CS4.

Photoshop is reasonably expensive software - at least as expensive as a Windows upgrade... What's stopping the user from moving up to a newer OS?